| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem that since a chance to apply a patch to a virtual disk whose execution frequency is low is rare, it becomes difficult to continuously maintain software quality or maintain security, and that since the patch is applied when using for a task, reboot occurs, and a task stop time becomes long. Ž<P>SOLUTION: The management of the use/non-use of a virtual disk, management when the virtual disk is started the next time, and the management of patch application circumstances or the like and the application of a patch to the virtual disk when the virtual disk is not used make it possible to solve the problem to be solved. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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